Ungraded vs Grade 8.0 Avengers #131 (1975): price difference
Avengers #131 (1975) value — Ungraded $8 vs Grade 8.0 $103. Grade 8.0 sells for 12.88× Ungraded (+1188%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 12.88× (+1188%) the Ungraded price — a $95 difference per comic.
Grade 6.0 sells for 10.75× (+975%) the Ungraded price — a $78 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Avengers #131 (1975), the jump from Ungraded to Grade 8.0 is worth $95 (12.88×) — if your copy grades at the top, that premium can cover the fee. A grade below the top one changes the math, so run your exact numbers first.
Run the grading break-even math →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).